Atka单鳍多线鱼
atprep.在;向;达n.基普(老挝货币基本单位)(=att);[化]砹(极不稳定放射性元素)abbr.密封的(=airtight)abbr.气温(=air temperature)
at one's own choice可随意选择
at- risk learners学困生
at loggerheads withadj.不和(争论)
at cross-purposes互相误解
Atractomorpha burrin.纺梭负蝗
attenuation circuit衰减电路
atuonomous learning自主学习
at different levels分层次
at someone's behest在某人的命令下...
Athetis albisignatan.白斑委夜蛾